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diff --git a/libjava/java/security/SecureRandomSpi.java b/libjava/java/security/SecureRandomSpi.java
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+/* SecureRandomSpi.java --- Secure Random Service Provider Interface
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+package java.security;
+import java.io.Serializable;
+
+/**
+   SecureRandomSpi is the Service Provider Interface for SecureRandom
+   providers. It provides an interface for providers to the 
+   SecureRandom engine to write their own pseudo-random number
+   generator.
+
+   @since JDK 1.2       
+
+   @author Mark Benvenuto <ivymccough@worldnet.att.net>
+ */
+public abstract class SecureRandomSpi implements Serializable
+{
+  /**
+     Default Constructor for SecureRandomSpi
+   */
+  public SecureRandomSpi()
+  {
+  }
+
+  /**
+     Updates the seed for SecureRandomSpi but does not reset seed. 
+     It does to this so repeated called never decrease randomness.
+   */
+  protected abstract void engineSetSeed(byte[] seed);
+
+  /**
+     Gets a user specified number of bytes depending on the length
+     of the array?
+
+     @param bytes array to fill with random bytes
+   */
+  protected abstract void engineNextBytes(byte[] bytes);
+
+  /**
+     Gets a user specified number of bytes specified by the 
+     parameter.
+
+     @param numBytes number of random bytes to generate
+
+     @return an array full of random bytes
+   */
+  protected abstract byte[] engineGenerateSeed(int numBytes);
+}